Home / 193,600.48-290,434.80-68,941.60

Finding the Fourth Proportional to 193,600.48, 290,434.80 and 68,941.60

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Solution

The fourth proportional to 193,600.48, 290,434.80 and 68,941.60 is: 103,424.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,600.48 : 290,434.80 = 68,941.60 : x
  2. Step 2: Convert to fraction form
    193,600.48/290,434.80 = 68,941.60/x
  3. Step 3: Cross multiply
    193,600.48x = 290,434.80 × 68,941.60
  4. Step 4: Simplify right side
    193,600.48x = 20,023,039,807.68
  5. Step 5: Solve for x
    x = 20,023,039,807.68/193,600.48
  6. Step 6: Final answer
    x = 103,424.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.